| 121149 | October 23 | Birth | 1923 – Ned Rorem, American composer and author |
| 121150 | October 23 | Birth | 1923 – Frank Sutton, American actor (d. 1974) |
| 121151 | October 23 | Birth | 1924 – Arthur Brittenden, English journalist (d. 2015) |
| 121152 | October 23 | Birth | 1925 – Johnny Carson, American comedian and talk show host (d. 2005) |
| 121153 | October 23 | Birth | 1925 – Manos Hatzidakis, Greek composer and theorist (d. 1994) |
| 121154 | October 23 | Birth | 1925 – Fred Shero, Canadian-American ice hockey player and coach (d. 1990) |
| 121155 | October 23 | Birth | 1927 – Sonny Criss, American saxophonist and composer (d. 1977) |
| 121156 | October 23 | Birth | 1927 – Dezső Gyarmati, Hungarian water polo player and coach (d. 2013) |
| 121157 | October 23 | Birth | 1927 – Leszek Kołakowski, Polish-English historian and philosopher (d. 2009) |
| 121158 | October 23 | Birth | 1928 – Bella Darvi, Polish-American actress (d. 1971) |
| 121159 | October 23 | Birth | 1929 – Shamsur Rahman, Bangladeshi poet and journalist (d. 2006) |
| 121160 | October 23 | Birth | 1930 – Eiji Maruyama, Japanese voice actor (d. 2015) |
| 121161 | October 23 | Birth | 1931 – Jim Bunning, American baseball player and politician |
| 121162 | October 23 | Birth | 1931 – William P. Clark, Jr., American judge and politician, 12th United States National Security Advisor (d. 2013) |
| 121163 | October 23 | Birth | 1931 – Diana Dors, English actress and singer (d. 1984) |
| 121164 | October 23 | Birth | 1932 – Vasily Belov, Russian poet and playwright (d. 2012) |
| 121165 | October 23 | Birth | 1933 – Carol Fran, American singer-songwriter and pianist |
| 121166 | October 23 | Birth | 1935 – Chi-Chi Rodríguez, Puerto Rican-American golfer |
| 121167 | October 23 | Birth | 1936 – Charles Goodhart, English economist and academic |
| 121168 | October 23 | Birth | 1936 – Philip Kaufman, American director, producer, and screenwriter |
| 121169 | October 23 | Birth | 1937 – Carlos Lamarca, Brazilian captain (d. 1971) |
| 121170 | October 23 | Birth | 1937 – Deven Verma, Indian actor, director, and producer (d. 2014) |
| 121141 | October 23 | Birth | 1918 – Peggy Moran, American actress and singer (d. 2002) |
| 121142 | October 23 | Birth | 1918 – Paul Rudolph, American architect and academic, designed the Lippo Centre (d. 1997) |
| 121143 | October 23 | Birth | 1919 – Manolis Andronikos, Greek archaeologist and academic (d. 1992) |
| 121144 | October 23 | Birth | 1920 – Ted Fujita, Japanese-American meteorologist and academic (d. 1998) |
| 121145 | October 23 | Birth | 1920 – Bob Montana, American illustrator (d. 1975) |
| 121146 | October 23 | Birth | 1922 – Jean Barker, Baroness Trumpington, English politician |
| 121147 | October 23 | Birth | 1922 – Coleen Gray, American actress (d. 2015) |
| 121148 | October 23 | Birth | 1923 – Aslam Farrukhi, Indian-Pakistani linguist, author, and scholar |